// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

#pragma once

#include "allocator.h"

struct FunctionInfo;
struct ThreadLocalData;

struct SharedMemoryHeader
{
	int Magic;  // Verfication value, always '~SM1'
	volatile int ExclusiveAccess;
	int TotalLength;
	int NativeToManagedBufferOffset;
	int ThreadDataOffset;
	int ThreadDataLength;
	int HeapOffset;
	int HeapLength;
	void* TargetPointer;
	FunctionInfo* RootFuncInfo;
	ThreadLocalData* LastThreadListItem;
	int ProcFrequency;
	bool doNotProfileDotnetInternals;
	bool combineRecursiveFunction;
	bool trackEvents;
	freeListAllocator<FunctionInfoAllocationSize> mallocator;
};

class CSharedMemory
{
public:
	CSharedMemory(TCHAR *name);
	~CSharedMemory();
	void* GetStartPtr();
	SharedMemoryHeader *header;
private:
	HANDLE fileHandle;
	void* startPtr;
	int length;
};
